my baby is 10 months old and he is 7 kg only his birth weight 3 .390 what can I do to increase his weight

A. Namaste Mom, Babies are expected to almost double their birth weight by age of 4 to 6 months and later it triples by age of 1 as such , Their diet should now be soft , include foods such as ghee, panner, egg yolk, milk in cooked form such as kheer, porridge etc . also dals, rice, sago, dalia, roti etc